Your QuickBooks accounting specialist for building services
companies
Take back control of your business and gain a higher perspective on your operations
Client since 2023
They trust us to manage their accounting on QuickBooks.








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Take control of your finances, stress-free
No more delays, errors, and accounting headaches. Théörème brings order to your numbers, automates your processes and gives you a clear vision of your finances, without increasing your mental load.

Save time and gain height
Free yourself from repetitive tasks and focus on growing your business. Our smart integrations with QuickBooks and apps designed for your industry allow you to automate your entries, generate reports, and follow-ups — for an accounting function that works for you.

Get clear visibility on your worksites and your teams
Follow the costs, margins and progress of each project in real time. Thanks to accurate dashboards and an accounting structure adapted to the construction industry, you make informed decisions at each stage of each construction project.

Accounting services designed for Building on solid foundations
From accounting migration to financial strategy, Théörème accompanies you at every step for a connected, efficient accounting function that is aligned with the reality of the construction industry.
Migrating to QuickBooks Online
Switch to modern, cloud-based, and efficient accounting. Théörème ensures a smooth transition from your legacy software (Acomba, Sage, Excel...) to QuickBooks OnLine, without data loss or stress.
Specialized construction accounting
Entrust your accounting to a Chartered Professional Accountant (CPA) who understands the realities of the construction industry: cost management, time tracking, payroll, subcontracting and seasonality. Clean books, delivered on time, all the time.
Automation and artificial intelligence
Reduce manual tasks and save time by automating your financial processes. Théörème integrates intelligent tools to synchronize your data and streamline your daily management.
CFO service and strategic support
Take advantage of an on-demand CFO. We help you manage your margins, anticipate your cash flow needs and build a sustainable growth strategy.
Customized reporting and dashboards
Gain instant clarity with visual, intuitive reports tailored to your business. Monitor project profitability, cash flow, and key performance indicators (KPIs) — all in real time.
360° accounting department
Théörème is more than an accounting firm — it’s your all-in-one management hub. From accounting, taxation, QuickBooks integration, and automation to reporting, purchase order management, invoicing, and performance tracking, we centralize everything you need to run your business efficiently.
Why choose Théörème

Recognized expertise
Led by a seasoned CPA and MBA with over 30 years of business experience, Théörème blends accounting precision with advanced QuickBooks expertise. This rare combination delivers reliable, compliant solutions tailored to the unique challenges of the construction industry.

Specialist in the construction and building sector
Accounting expertise built on knowledge of construction sites: cost management, payroll, subcontracting and seasonality. Théörème speaks your language.

Efficient technologies
Théörème builds a connected, scalable QuickBooks ecosystem for your business. Through smart integrations, automation, and AI-powered tools, we simplify your operations and drive financial performance.
Beyond QuickBooks, we select and connect the best third-party applications to expand your capabilities — from sales and purchasing to cash flow management and advanced reporting.




Client since 2023
A few figures that speak for themselves
30 years
150+
5 ★
100%
Certifications
that guarantee your peace of mind



Trusted by leading businesses
Take it to the next level with QuickBooks Online and Théörème
Transform your accounting function into a powerful, connected system, built around your business.
Client since 2023
Frequently asked questions
Articles written for entrepreneurs in the construction industry
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